What airlines fly to Bucharest?

Turkish Airlines, LOT and Lufthansa are the top three most popular airlines that fly to Bucharest from Chicago O'Hare Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 13 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Bucharest?

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 11h 55m.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Bucharest?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $629.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Bucharest?

Zurich (ZRH) has the shortest average layover time for this route: 1h 50m.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Bucharest?

Istanbul (IST) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Chicago O'Hare Intl to Bucharest?

Air Serbia, Air Canada, and SWISS are the most popular carriers operating from Chicago O'Hare Intl to Bucharest

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

As of November 2025, there are 13 operators available to choose from for flights from Chicago O'Hare Intl Airport to Bucharest.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.

What documentation or ID do you need to fly to Bucharest?

The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$321 Cheap Flights from Chicago O'Hare Intl Airport to Bucharest in 2025/26

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One-way

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11:50 am - 2:10 pmORD-OTP

18h 20m1 stop

9:50 pm - 6:25 pmOTP-ORD

28h 35m1 stop

$521Turkish Airlines

Find Deal

Sat, Jan 24 - Sat, Feb 7

8:20 pm - 8:30 pmORD-OTP

16h 10m1 stop

10:10 am - 6:25 pmOTP-ORD

16h 15m1 stop

$522Turkish Airlines

Find Deal

Mon, Feb 2 - Mon, Feb 16

11:50 am - 8:30 pmORD-OTP

24h 40m1 stop

3:30 pm - 10:05 amOTP-ORD

26h 35m1 stop

$524Turkish Airlines

Find Deal

Sun, Nov 9 - Sat, Nov 22

10:35 pm - 6:25 pmORD-OTP

11h 50m1 stop

2:50 pm - 8:05 pmOTP-ORD

13h 15m1 stop

$530Lufthansa

Find Deal

Sun, Nov 23 - Sun, Dec 7

10:35 pm - 11:50 pmORD-OTP

17h 15m1 stop

5:55 am - 12:55 pmOTP-ORD

15h 00m1 stop

$533Lufthansa

Find Deal

Thu, Dec 4 - Thu, Apr 30

9:45 pm - 11:25 pmORD-OTP

17h 40m1 stop

8:00 am - 6:45 pmOTP-ORD

18h 45m1 stop

$560British Airways

Find Deal

Fri, Jan 9 - Fri, Jan 16

9:45 pm - 11:25 pmORD-OTP

17h 40m1 stop

4:00 pm - 1:50 pmOTP-ORD

29h 50m1 stop

$566British Airways

Find Deal

Fri, Dec 5 - Sat, Dec 13

1:23 pm - 1:00 pmORD-OTP

15h 37m2 stops

8:35 am - 2:20 pmOTP-ORD

13h 45m1 stop

$570KLM

Find Deal

Tue, Dec 2 - Mon, Dec 15

6:25 pm - 11:50 pmORD-OTP

21h 25m1 stop

5:55 am - 1:10 pmOTP-ORD

15h 15m1 stop

$574United Airlines

Find Deal

Sat, Nov 29 - Tue, Dec 16

1:05 pm - 2:00 pmORD-OTP

16h 55m2 stops

5:55 am - 8:05 pmOTP-ORD

22h 10m1 stop

$575United Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 14

Turkish Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

Turkish Airlines

Jan 24

ORD11:50 amChicago O'Hare Intl

18h 20m

1 stop

OTP2:10 pmBucharest Otopeni Intl

Feb 7

OTP9:50 pmBucharest Otopeni Intl

28h 35m

1 stop

ORD6:25 pmChicago O'Hare Intl

$521

Find similar

Turkish Airlines

Feb 2

ORD8:20 pmChicago O'Hare Intl

16h 10m

1 stop

OTP8:30 pmBucharest Otopeni Intl

Feb 16

OTP10:10 amBucharest Otopeni Intl

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

$522

Find similar

Turkish Airlines

Nov 9

ORD11:50 amChicago O'Hare Intl

24h 40m

1 stop

OTP8:30 pmBucharest Otopeni Intl

Nov 22

OTP3:30 pmBucharest Otopeni Intl

26h 35m

1 stop

ORD10:05 amChicago O'Hare Intl

$524

Find similar

Austrian Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

Austrian Airlines

Feb 2

ORD1:00 pmChicago O'Hare Intl

21h 25m

2 stops

OTP6:25 pmBucharest Otopeni Intl

Feb 16

OTP6:55 amBucharest Otopeni Intl

15h 05m

1 stop

ORD2:00 pmChicago O'Hare Intl

$543

Find similar

Austrian Airlines

Nov 7

ORD4:20 pmChicago O'Hare Intl

17h 30m

1 stop

OTP5:50 pmBucharest Otopeni Intl

Nov 9

OTP7:10 pmBucharest Otopeni Intl

26h 50m

1 stop

ORD2:00 pmChicago O'Hare Intl

$558

Find similar

Austrian Airlines

Nov 7

ORD1:00 pmChicago O'Hare Intl

20h 50m

2 stops

OTP5:50 pmBucharest Otopeni Intl

Nov 9

OTP7:10 pmBucharest Otopeni Intl

26h 50m

1 stop

ORD2:00 pmChicago O'Hare Intl

$605

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

11:50 am-2:10 pm

1 stop18h 20m

Bucharest Otopeni Intl

Sat 2/7

9:50 pm-6:25 pm

1 stop28h 35m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/2

8:20 pm-8:30 pm

1 stop16h 10m

Bucharest Otopeni Intl

Mon 2/16

10:10 am-6:25 pm

1 stop16h 15m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/9

11:50 am-8:30 pm

1 stop24h 40m

Bucharest Otopeni Intl

Sat 11/22

3:30 pm-10:05 am

1 stop26h 35m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/23

10:35 pm-6:25 pm

1 stop11h 50m

Bucharest Otopeni Intl

Sun 12/7

2:50 pm-8:05 pm

1 stop13h 15m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 12/4

10:35 pm-11:50 pm

1 stop17h 15m

Bucharest Otopeni Intl

Thu 4/30

5:55 am-12:55 pm

1 stop15h 00m

$533

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/9

9:45 pm-11:25 pm

1 stop17h 40m

Bucharest Otopeni Intl

Fri 1/16

8:00 am-6:45 pm

1 stop18h 45m

$560

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 12/5

9:45 pm-11:25 pm

1 stop17h 40m

Bucharest Otopeni Intl

Sat 12/13

4:00 pm-1:50 pm

1 stop29h 50m

$566

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

1:23 pm-1:00 pm

2 stops15h 37m

Bucharest Otopeni Intl

Mon 12/15

8:35 am-2:20 pm

1 stop13h 45m

$570

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 11/29

6:25 pm-11:50 pm

1 stop21h 25m

Bucharest Otopeni Intl

Tue 12/16

5:55 am-1:10 pm

1 stop15h 15m

$574

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/3

1:05 pm-2:00 pm

2 stops16h 55m

Bucharest Otopeni Intl

Sun 12/14

5:55 am-8:05 pm

1 stop22h 10m

$575

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Bucharest?

In general, November is the cheapest month to fly from Chicago O'Hare Intl Airport to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $536. If you aren’t able to travel to Bucharest during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $559.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

What is the cheapest time of day to depart on your flight to Bucharest?

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to Bucharest in the morning for as low as $694. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is in the afternoon when prices are around $911.

How far in advance should I book a flight to Bucharest?

You are more likely to see cheaper flights to Bucharest from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $708 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago O'Hare Intl Airport for as low as $634 on momondo.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Bucharest according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Best Price Found	$827
Direct flights	None

The best flight deal from Chicago O'Hare Intl Airport to Bucharest found on momondo in the last 72 hours is $827

There are no direct flights from Chicago O'Hare Intl Airport to Bucharest. There are no popular flight routes from Chicago O'Hare Intl Airport to Bucharest.

Search flight deals

How far is Chicago O'Hare Intl to Bucharest by plane?
A flight from Chicago O'Hare Intl to Bucharest will travel around 5205.0 mi. Flights usually cover this in 11h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?
Prices for flights from Chicago O'Hare Intl Airport to Bucharest are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?
As of November 2025, there are 13 operators available to choose from for flights from Chicago O'Hare Intl Airport to Bucharest.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Bucharest?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Bucharest is Airbus A330 (100.00% of total bookings).
What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Bucharest, the leading airline is Turkish Airlines, making up 23% of the total bookings. Other popular airlines include LOT with 19%, Lufthansa with 15%, and British Airways with 13%.

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 1,560 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,035 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 864 reviews	Search Austrian Airlines flights
LOT	PriceFrom $538	Free Cancellation	Rating 7.6 1,133 reviews	Search LOT flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
SWISS	PriceFrom $587	Free Cancellation	Rating 7.5 1,777 reviews	Search SWISS flights
Lufthansa	PriceFrom $588	Free Cancellation	Rating 6.8 7,553 reviews	Search Lufthansa flights
United Airlines	PriceFrom $595	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
Air France	PriceFrom $618	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
Air Serbia	PriceFrom $655	Free Cancellation	Rating 6.2 207 reviews	Search Air Serbia flights

Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

It is quick and easy to find Chicago to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

Flights from Chicago to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Chicago.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $321

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Big names and deals

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Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

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Turkish Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

Austrian Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best Austrian Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bucharest?

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

What is the cheapest time of day to depart on your flight to Bucharest?

How far in advance should I book a flight to Bucharest?

What is the cheapest airline that flies from Chicago O'Hare Intl to Bucharest?

Air Serbia, Air Canada, and SWISS are the most popular carriers operating from Chicago O'Hare Intl to Bucharest

What airlines fly to Bucharest?

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Bucharest?

Istanbul (IST) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Bucharest?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $629.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Bucharest?

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 11h 55m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Bucharest?

Zurich (ZRH) has the shortest average layover time for this route: 1h 50m.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Best Price Found

Direct flights

How far is Chicago O'Hare Intl to Bucharest by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

What documentation or ID do you need to fly to Bucharest?

What is the most popular plane model from Chicago O'Hare Intl Airport to Bucharest?

What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo

Traveling to a place near Bucharest?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Bucharest?

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest